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1 | /* | |
2 | * Copyright (C) 1996-2021 The Squid Software Foundation and contributors | |
3 | * | |
4 | * Squid software is distributed under GPLv2+ license and includes | |
5 | * contributions from numerous individuals and organizations. | |
6 | * Please see the COPYING and CONTRIBUTORS files for details. | |
7 | */ | |
8 | ||
9 | #ifndef _SQUID_SRC_BASE_HARDFUN_H | |
10 | #define _SQUID_SRC_BASE_HARDFUN_H | |
11 | ||
12 | /** | |
13 | * A functor that calls a hard-coded unary function. | |
14 | */ | |
15 | template <class ReturnType, class ArgType, ReturnType (*fun)(ArgType)> | |
16 | struct HardFun { | |
17 | ReturnType operator()(ArgType arg) { return fun(arg); } | |
18 | }; | |
19 | ||
20 | #endif /* _SQUID_SRC_BASE_HARDFUN_H */ | |
21 |